drm: renesas: shmobile: Don't set display info width and height twice

The display info width_mm and height_mm fields are set at init time and
never overwritten, don't set them a second time when getting modes.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/edd49fcb92af83d81df655b3db1685e8ed14380a.1694767209.git.geert+renesas@glider.be

drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c

@@ -585,9 +585,6 @@ static int shmob_drm_connector_get_modes(struct drm_connector *connector)
 	drm_mode_set_name(mode);
 	drm_mode_probed_add(connector, mode);
 
-	connector->display_info.width_mm = sdev->pdata->panel.width_mm;
-	connector->display_info.height_mm = sdev->pdata->panel.height_mm;
-
 	return 1;
 }